If not sure about compatibility with your device then please provide us detail like model number and the model number of your old adapter if you have. The higher amps power adapter is 100% safe to use with any lower power device, Your device will only pull the amount which is actually required from maximum capacity.
In case if you are buying this adapter for your customer or for resale purpose please note this adapter has a modified dc pin and a cable connection box is attached as shown in the picture. Although it is completely safe but If you think this can cause you any problem then the best is not to buy this product.
Any other question please contact us before your purchase.